Chameleon Code - Use any AI model with Claude Code

Use any AI model with Claude Code.

What is this?

Chameleon Code is a proxy that translates Claude Code requests to any AI model. Uses OpenRouter by default.

Quick Start

uv tool install chameleon-code
OPENROUTER_API_KEY="<YOUR_OPENROUTER_API_KEY>" cham

Or run standalone (it's single Python file, requires uv):

./cham.py

Options

--model, -m MODEL              Model to use
--small-model SMALL_MODEL      Small model for haiku/subagent tasks (defaults to --model)
--max-tokens MAX_TOKENS        Maximum tokens per request
--url URL                      API URL to route to (defaults to OpenRouter)
--api-key API_KEY              API key (or set OPENROUTER_API_KEY env var)
--server                       Run server only, connect externally
--port PORT                    Port to bind to

Examples

# Use with OpenRouter (default)
OPENROUTER_API_KEY="sk-or-v1-..." cham --model deepseek/deepseek-chat

# Use with different API
OPENROUTER_API_KEY="sk-..." cham --url https://api.openai.com/v1 --model gpt-4

# Run server on custom port
OPENROUTER_API_KEY="sk-..." cham --server --port 8080